256427184

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1051}}^1$

素因数の和:1115

約数の個数: 160

約数和(自身を含む): 788949504

約数和(自身を除く): 532522320

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 17, 23, 24, 26, 34, 39, 46, 48, 51, 52, 68, 69, 78, 92, 102, 104, 136, 138, 156, 184, 204, 208, 221, 272, 276, 299, 312, 368, 391, 408, 442, 552, 598, 624, 663, 782, 816, 884, 897, 1051, 1104, 1173, 1196, 1326, 1564, 1768, 1794, 2102, 2346, 2392, 2652, 3128, 3153, 3536, 3588, 4204, 4692, 4784, 5083, 5304, 6256, 6306, 7176, 8408, 9384, 10166, 10608, 12612, 13663, 14352, 15249, 16816, 17867, 18768, 20332, 24173, 25224, 27326, 30498, 35734, 40664, 40989, 48346, 50448, 53601, 54652, 60996, 71468, 72519, 81328, 81978, 96692, 107202, 109304, 121992, 142936, 145038, 163956, 193384, 214404, 218608, 232271, 243984, 285872, 290076, 314249, 327912, 386768, 410941, 428808, 464542, 580152, 628498, 655824, 696813, 821882, 857616, 929084, 942747, 1160304, 1232823, 1256996, 1393626, 1643764, 1858168, 1885494, 2465646, 2513992, 2787252, 3287528, 3716336, 3770988, 4931292, 5027984, 5342233, 5574504, 6575056, 7541976, 9862584, 10684466, 11149008, 15083952, 16026699, 19725168, 21368932, 32053398, 42737864, 64106796, 85475728, 128213592, 256427184]

約数ペア:

[(1, 256427184), (2, 128213592), (3, 85475728), (4, 64106796), (6, 42737864), (8, 32053398), (12, 21368932), (13, 19725168), (16, 16026699), (17, 15083952), (23, 11149008), (24, 10684466), (26, 9862584), (34, 7541976), (39, 6575056), (46, 5574504), (48, 5342233), (51, 5027984), (52, 4931292), (68, 3770988), (69, 3716336), (78, 3287528), (92, 2787252), (102, 2513992), (104, 2465646), (136, 1885494), (138, 1858168), (156, 1643764), (184, 1393626), (204, 1256996), (208, 1232823), (221, 1160304), (272, 942747), (276, 929084), (299, 857616), (312, 821882), (368, 696813), (391, 655824), (408, 628498), (442, 580152), (552, 464542), (598, 428808), (624, 410941), (663, 386768), (782, 327912), (816, 314249), (884, 290076), (897, 285872), (1051, 243984), (1104, 232271), (1173, 218608), (1196, 214404), (1326, 193384), (1564, 163956), (1768, 145038), (1794, 142936), (2102, 121992), (2346, 109304), (2392, 107202), (2652, 96692), (3128, 81978), (3153, 81328), (3536, 72519), (3588, 71468), (4204, 60996), (4692, 54652), (4784, 53601), (5083, 50448), (5304, 48346), (6256, 40989), (6306, 40664), (7176, 35734), (8408, 30498), (9384, 27326), (10166, 25224), (10608, 24173), (12612, 20332), (13663, 18768), (14352, 17867), (15249, 16816)]